Finite Math Examples

Find the Domain of the Sum of the Functions p(x)=-x , q(x)=2x^2+1
,
Step 1
Replace the function designators with the actual functions in .
Step 2
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.
Interval Notation:
Set-Builder Notation:
Step 3